Home / 47,320.80-65,269.98-38,368.68

Finding the Fourth Proportional to 47,320.80, 65,269.98 and 38,368.68

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Solution

The fourth proportional to 47,320.80, 65,269.98 and 38,368.68 is: 52,922.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,320.80 : 65,269.98 = 38,368.68 : x
  2. Step 2: Convert to fraction form
    47,320.80/65,269.98 = 38,368.68/x
  3. Step 3: Cross multiply
    47,320.80x = 65,269.98 × 38,368.68
  4. Step 4: Simplify right side
    47,320.80x = 2,504,322,976.23
  5. Step 5: Solve for x
    x = 2,504,322,976.23/47,320.80
  6. Step 6: Final answer
    x = 52,922.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.